Manya, shiga cikin matsalolin yau da kullum, dakatar da kulawa da duniyar da ke kewaye, yayin da yara ke yi mamakin abubuwan da suke da shi kullum. Kuma ta yaya yake aiki? Kuma me ya sa? Kuma me ya sa? Sabili da haka wajibi ne? Abin da kawai ba ya son waɗannan kananan pincers! Kuma idan kun kasance da girman kai na mahaifi ko baba, nan da nan ko a baya za ku ji wannan tambaya: "Me ya sa ganye ya juya launin rawaya a cikin fall?" Kamar tambaya kanta bata da rikitarwa ba, yana daya daga cikin alamun kaka , amma dole ne ya ƙunshi jerin Ƙarin, wanda dole ne a amsa daki-daki kuma mai ganewa. To, bari mu yi ƙoƙari mu yi shi!
Kuma me ya sa ganye ta juya rawaya?
A cikin bazara da lokacin rani a cikin kowane alamar alade na chlorophyll, wanda yake da launi mai launi. Yana da babban adadin chlorophyll wanda ya sa ganye akan bishiyoyi. Wannan itace yana buƙatar itace ba kawai domin kyakkyawa ba, amma don abinci mai dadi, saboda chlorophyll zai iya amfani da hasken rana don canza carbon dioxide da ruwa zuwa kayan abinci. Sabili da haka, godiya ga ganyayyun rani-rani na kore, itacen yana girma da tasowa. Amma lokaci ya zo lokacin da yanayi ya shirya don hunturu, lokacin da aka dakatar da aikinsa, lokacin da ganye ya yi launin rawaya - wannan yana faruwa a kaka. Ganye suna samun ruwa kadan, chlorophyll an lalace a hankali, kuma tsire-tsire sun rasa launin kore. Yana da ban sha'awa cewa rudun rana ya fi yawan sunadarin chlorophyll, saboda haka lokacin da ganye ya fara juya launin rawaya a cikin bazara ba yakan faruwa a lokaci guda. A busassun, tsabtace kaka, ganye suna canza launi sauri, kuma a cikin ruwan damina sun kasance kore na dogon lokaci.
Kuma me yasa wadannan rawaya, da wadanda suke ja?
Yaro mai kulawa dole ne ya tambayi dalilin da yasa wasu ganye a cikin bishiyoyin sunyi launin rawaya, wasu sunyi ja, kuma wasu sun juya launin ruwan kasa. Amsar ita ce mai sauƙi. Gaskiyar ita ce, baya ga chlorophyll, ganye na tsire-tsire suna dauke da wasu alade, amma saboda yawancin kore basu kasance ba bayyane. Yayinda koren chlorophyll ya koma, wasu launuka sun zama bayyane:
- yellow ganye samun launi a sakamakon "aikin" na shuka pigment xanthophyll;
- ya'yan itace orange a kan kayan ado na kaka, lokacin da pigment carotene ya zama bayyane, wanda, ta hanya, ya saba wa kowa da kowa ta wurin haske mai launin karar launi;
- ja ganye saya wannan m launi saboda pigments Anthocyanins;
- launin ruwan kasa - wannan ba launi ba ne na pigments, amma launi na tantanin ganuwar kwayar ganye, yana bayyana lokacin da wasu alamomi masu launin da ke gani ba su nan.
Kuma me ya sa ganye ta fadi?
Idan mukayi magana game da yadda ake fadowa ganye, sa'annan injin ya zama cikakke - a cikin kaka, lokacin da ganye ya juya launin rawaya, rabuwa mai laushi na sel yana bayyana akan tushe, wanda ake kira cork layer. A hankali, wannan rukuni ya karya haɗin tsakanin itace da ganye. Ya rage don jira iska ta busa kuma takardar yana a ƙasa. A kan reshe a wurin da ke fitawa ya bar wani ƙananan ƙwayar da zai iya yin amfani da takarda mai kwakwalwa, wanda yake nufin cewa itacen yana da lokaci marar zafi. Idan ka tambayi kanka dalilin da yasa ganye ya juya launin rawaya kuma ya fadi,